Start up and Configuration/cs: Difference between revisions
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<languages/> |
<languages/> |
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{{docnav|Third Party Tools|FreeCAD Build Tool}} |
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{{Docnav |
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|[[Import_Export_Preferences|Import Export Preferences]] |
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|[[Scripting_and_macros|Scripting and macros]] |
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}} |
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{{VeryImportantMessage|In FreeCAD version 0.20 the default location of the program's configuration, data and cache files was changed for Linux.<br> |
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See [[Release_notes_0.20#Core|Release notes 0.20]] for more information. This page has not yet been updated accordingly.}} |
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{{TOCright}} |
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==Overview== |
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This page shows the different ways to start FreeCAD and the most important configuration features. |
This page shows the different ways to start FreeCAD and the most important configuration features. |
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=== Using command line options without a command line shell === |
=== Using command line options without a command line shell === |
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* On Ubuntu you can create a desktop icon and edit its properties. Add the command line options separated by spaces behind the program name in the "Command" field. |
* On Ubuntu you can create a desktop icon and edit its properties. Add the command line options separated by spaces behind the program name in the "Command" field. |
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* On Windows create a shortcut and edit the properties. Add the command line options separated by spaces to "Target" field. |
* On Windows create a shortcut and edit the properties. Add the command line options separated by spaces to "Target" field. |
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=== Command line options === |
=== Command line options === |
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The command line options are subject to frequent changes. |
The command line options are subject to frequent changes.Therefore, it is a good idea to check the current options by typing: |
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FreeCAD --help |
FreeCAD --help |
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From the response you can read the possible parameters: |
From the response you can read the possible parameters: |
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Usage: |
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FreeCAD [options] File1 File2 ..... |
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Allowed options: |
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Generic options: |
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-v [ --version ] print version string |
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-h [ --help ] print help message |
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-c [ --console ] start in console mode |
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--response-file arg can be specified with '@name', too |
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Usage: FreeCAD [options] File1 File2 ... |
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Configuration: |
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-l [ --write-log ] arg write a log file to default location(Run FreeCAD --h to see default location) |
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Allowed options: |
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--log-file arg Unlike to --write-log this allows to log to an arbitrary file |
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-u [ --user-cfg] arg User config file to load/save user settings |
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Generic options: |
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-s [ --system-cfg] arg System config file to load/save system settings |
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- |
-v [ --version ] Prints version string |
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-h [ --help ] Prints help message |
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-M [ --module-path ] arg additional module paths |
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-c [ --console ] Starts in console mode |
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-P [ --python-path ] arg additional python paths |
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--response-file arg Can be specified with '@name', too |
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--dump-config Dumps configuration |
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--get-config arg Prints the value of the requested configuration key |
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Configuration: |
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-l [ --write-log ] Writes a log file to: |
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/home/username/.FreeCAD/FreeCAD.log |
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--log-file arg Unlike --write-log this allows logging to an |
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arbitrary file |
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-u [ --user-cfg ] arg User config file to load/save user settings |
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-s [ --system-cfg ] arg System config file to load/save system settings |
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-t [ --run-test ] arg Test case - or 0 for all |
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-M [ --module-path ] arg Additional module paths |
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-P [ --python-path ] arg Additional python paths |
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--single-instance Allow to run a single instance of the application |
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In the following table, selected options are described in more detail: |
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EX: (Windows) |
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{{Code|code= |
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"C:\Program Files\FreeCAD 0.14\bin\FreeCAD.exe" -M "N:\FreeCAD\Mod\Draft" -M "N:\FreeCAD\Mod\Part" -M "N:\FreeCAD\Mod\Drawing" -u "N:\FreeCAD\Config\user.cfg" -s "N:\FreeCAD\Config\system.cfg" |
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}} |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|- |
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! Long option !! Corresponding [[#Configuration_set|config var name]] !! Synopsis |
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|- |
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| {{incode|--user-cfg <filename>}} || UserParameter || Filename or relative path that ends with a filename. Defaults to {{incode|user.cfg}}. |
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|- |
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| {{incode|--module-path <dir>}} || Prepends to AdditionalModulePaths || Directory that contains modules. This option can be given repeatedly to specify multiple directories. |
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|- |
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| {{incode|--get-config <config-var-name>}} || most || Outputs the requested value in a popup dialog. Exits upon confirmation with {{KEY|OK}}. Cannot be used repeatedly. If an unknown/illegal variable name is used, the response is empty. The {{incode|--console}} flag is not honored. |
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|} |
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Options can written in two forms: {{incode|--long-option arg}} and {{incode|--long-option<nowiki>=</nowiki>arg}}. |
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=== Response and config files === |
=== Response and config files === |
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FreeCAD can read some of these options from a config file. This file must be in the bin path and must be named FreeCAD.cfg. Be aware that options specified in the command line override the config file! |
FreeCAD can read some of these options from a config file. This file must be in the bin path and must be named {{FileName|FreeCAD.cfg}}. Be aware that options specified in the command line override the config file! |
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Some operating systems have a very low limit of characters on the command line. The common way to work around those limitations is using response files. A response file is just a configuration file which uses the same syntax as the command line. If the command line specifies a response file, it's loaded and parsed in addition to the command line: |
Some operating systems have a very low limit of characters on the command line. The common way to work around those limitations is using response files. A response file is just a configuration file which uses the same syntax as the command line. If the command line specifies a response file, it's loaded and parsed in addition to the command line: |
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{{Code|code= |
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<pre> |
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FreeCAD @ResponseFile.txt |
FreeCAD @ResponseFile.txt |
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</pre> |
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}} |
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or: |
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or: |
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{{Code|code= |
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<pre> |
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FreeCAD --response-file=ResponseFile.txt |
FreeCAD --response-file=ResponseFile.txt |
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</pre> |
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}} |
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or: |
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<pre> |
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FreeCAD --response-file ResponseFile.txt |
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</pre> |
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=== Hidden options === |
=== Hidden options === |
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* ''-cmap'' - Causes the application to install a private color map on an 8-bit display. |
* ''-cmap'' - Causes the application to install a private color map on an 8-bit display. |
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== Running FreeCAD without |
=== Running FreeCAD without GUI (headless) === |
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FreeCAD is usually built with two executables: a GUI |
FreeCAD is usually built with two executables: a GUI-capable one called {{FileName|FreeCAD}} or {{FileName|freecad}}, and a headless one, called {{FileName|FreeCADCmd}} or {{FileName|freecadcmd}}. |
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FreeCAD can be used in console mode using the |
FreeCAD can be used in console mode using the {{incode|--console}} switch (which is the default behavior of {{FileName|FreeCADCmd}}): |
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FreeCAD -c |
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from the command line. In console mode, no user interface will be displayed, and you will be presented with a python interpreter prompt. From that python prompt, you have the same functionality as the python interpreter that runs inside the FreeCAD GUI, and normal access to all modules and plugins of FreeCAD, excepted the FreeCADGui module. Be aware that modules that depend on FreeCADGui might also be unavailable. |
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FreeCAD --console |
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Python scripts/FreeCAD macro files can be specified as command line arguments to either of the executables mentioned above. |
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In console mode, no graphical user interface will be displayed, and you will be presented with a Python interpreter prompt: {{incode|>>>}}. From that prompt, you have the same functionality as the Python interpreter that runs inside the FreeCAD GUI, and access to all modules and plugins of FreeCAD, except the FreeCADGui module. Be aware that modules that depend on FreeCADGui might also be unavailable. |
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== The Config set == |
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To read more about console or headless mode, refer to [[Headless_FreeCAD|Headless FreeCAD]]. |
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On every Startup FreeCAD examines its surrounding and the command line parameters. It builds up a '''configuration set''' which holds the essence of the runtime information. This information is later used to determine the place where to save user data or log files. It is also very important for post postmortem analyzes. Therefore it is saved in the log file. |
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=== Running modules, macros and scripts === |
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=== User related information=== |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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! File type !! System !! Command line example |
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|+ User config entries |
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|- |
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| Module ||Windows || {{incode|"C:\Program Files\FreeCAD\bin\FreeCAD.exe" -M "C:\FreeCAD\Mod\Draft"}} |
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! Config var name !! Synopsis !! Example M$ !! Example Posix (Linux) |
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|- |
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| ||Linux || {{incode|FreeCAD_0.19 -M ~/.FreeCAD/Mod/Draft}} |
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| UserAppData || Path where FreeCAD stores User Related application data. || C:\Documents and Settings\username\Application Data\FreeCAD ||/home/username/.FreeCAD |
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|- |
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|- |
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| ||Linux (AppImage) || {{incode|path/to/FreeCADXXX.AppImage -M ~/.FreeCAD/Mod/Draft}} |
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| UserParameter || File where FreeCAD stores User Related application data. || C:\Documents and Settings\username\Application Data\FreeCAD\user.cfg ||/home/username/.FreeCAD/user.cfg |
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|- |
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|- |
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|- |
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| SystemParameter || File where FreeCAD stores Application Related data. || C:\Documents and Settings\username\Application Data\FreeCAD\system.cfg ||/home/username/.FreeCAD/system.cfg |
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| .FCMacro or .py ||Windows || {{incode|"C:\Program Files\FreeCAD\bin\FreeCAD.exe" "C:\Users\userName\AppData\Roaming\FreeCAD\Mod\WorkFeature\start_WF.FCMacro"}} |
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|- |
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|- |
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| UserHomePath || Home path of the current user || C:\Documents and Settings\username\My Documents ||/home/username |
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| ||Linux || {{incode|FreeCAD_0.19 ~/.FreeCAD/Mod/WorkFeature/start_WF.FCMacro}} |
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|- |
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| ||Linux (AppImage) || {{incode|path/to/FreeCADXXX.AppImage ~/.FreeCAD/Mod/WorkFeature/start_WF.FCMacro}} |
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|} |
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See [[Macro_at_Startup|Macro at Startup]] on how to set up a macro to automatically run at FreeCAD startup. |
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=== Command line arguments === |
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== Environment variables == |
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FreeCAD supports the following environment variables, which can be used to configure directories: {{Version|0.19}} |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|+ User config entries |
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|- |
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! Environment variable !! Corresponding [[#Configuration_set|config var name]] !! Synopsis |
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! Config var name !! Synopsis !! Example |
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|- |
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|- |
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| {{incode|FREECAD_USER_HOME}} || UserHomePath || FreeCAD's "base" directory for keeping local user data. |
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| LoggingFile || 1 if the logging is switched on || 1 |
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|- |
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|- |
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| {{incode|FREECAD_USER_DATA}} || UserAppData || If not set, defaults to {{incode|FREECAD_USER_HOME/.FreeCAD}}, but only if {{incode|FREECAD_USER_HOME}} is set. |
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| LoggingFileName || File name where the log is placed || C:\Documents and Settings\username\Application Data\FreeCAD\FreeCAD.log |
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|- |
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|- |
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| {{incode|FREECAD_USER_TEMP}} || AppTempPath || If not set, defaults to {{incode|FREECAD_USER_HOME/temp}}, but only if {{incode|FREECAD_USER_HOME}} is set. |
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| RunMode || This indicates how the main loop will work. '''"Script"''' means that the given script is called and then exit. '''"Cmd"''' runs the command line interpreter. '''"Internal"''' runs an internal script. '''"Gui"''' enters the Gui event loop. '''"Module"''' loads a given python module. || "Cmd" |
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|- |
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| FileName || Meaning depends on the RunMode || |
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|- |
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| ScriptFileName || Meaning depends on the RunMode || |
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|- |
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| Verbose || Verbosity level of FreeCAD || "" or "strict" |
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|- |
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| OpenFileCount ||Holds the number of files opened through command line arguments || "12" |
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|- |
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| AdditionalModulePaths||Holds the additional Module paths given in the cmd line || "extraModules/" |
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|} |
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If the specified path does not exist, the setting is ignored! |
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The above environment variables are meant to be used to realize a ''portable'' FreeCAD environment. For an example how environment variables can be used from the command line on Linux refer to the [[Download#Notes_for_GNU.2FLinux_users|notes for Linux users on the downloads page]]. |
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=== System related === |
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=== {{incode|HOME}} === |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|+ User config entries |
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|- |
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! Config var name !! Synopsis !! Example M$ !! Example Posix (Linux) |
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|- |
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| AppHomePath || Path where FreeCAD is installed || c:/Progam Files/FreeCAD_0.7|| /user/local/FreeCAD_0.7 |
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|- |
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| PythonSearchPath || Holds a list of paths which python search modules. This is at startup can change during execution || || |
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|} |
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FreeCAD uses [[Third_Party_Libraries#Qt|Qt]], which does honor the {{incode|HOME}} environmental variable. Thus, setting {{incode|HOME}} can be used to specify the base directory of Qt-related configuration files ({{incode|.config/FreeCAD/FreeCAD.conf}}). |
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Some libraries need to call system environment variables. Sometimes when there is a problem with a FreeCAD installation, it is because some environment variable is absent or set wrongly. Therefore, some important variables get duplicated in the Config and saved in the log file. |
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FreeCad itself does not honor the {{incode|HOME}} environmental variable (because it determines the user's home directory from a lower-level system API). Use {{incode|FREECAD_USER_HOME}} for this pupose. |
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=== {{incode|TMPDIR}} === |
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The default temporary directory is {{FileName|/tmp/}}. The {{incode|TMPDIR}} environmental variable can be used to override the default. (''Editor: precedence?''). |
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=== Libraries === |
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Some libraries need to call system environment variables. Sometimes when there is a problem with a FreeCAD installation, it is because some environment variable is absent or incorrect. Therefore, some important variables get duplicated in the Config and saved in the log file. |
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'''Python''' |
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'''Python related environment variables:''' |
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* PYTHONPATH |
* PYTHONPATH |
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* PYTHONHOME |
* PYTHONHOME |
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* TCL_LIBRARY |
* TCL_LIBRARY |
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* TCLLIBPATH |
* TCLLIBPATH |
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'''OpenCascade related environment variables:''' |
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'''OpenCascade''' |
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* CSF_MDTVFontDirectory |
* CSF_MDTVFontDirectory |
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* CSF_MDTVTexturesDirectory |
* CSF_MDTVTexturesDirectory |
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* CSF_IGESDefaults |
* CSF_IGESDefaults |
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* CSF_STEPDefaults |
* CSF_STEPDefaults |
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'''System related environment variables:''' |
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== Configuration set == |
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* PATH |
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On every startup FreeCAD examines its surrounding and the command line parameters. It builds up a '''configuration set''' which holds the essence of the runtime information. This information is later used to determine the place where to save user data or log files. It is also very important for postmortem analyzes. Therefore it is saved in the log file. |
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=== User related information=== |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|- |
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! Config var name !! Synopsis !! Example Windows !! Example Linux |
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|- |
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| UserAppData || Path where FreeCAD stores User Related application data. || {{FileName|C:\Documents and Settings\username\AppData\FreeCAD}}<hr />''Short path : ''{{FileName|%APPDATA%\FreeCAD}} || {{FileName|/home/username/.FreeCAD}}<hr />''Short path : ''{{FileName|~/.FreeCAD}} |
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|- |
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| UserParameter || File where FreeCAD stores User Related application data. || {{FileName|C:\Documents and Settings\username\AppData\FreeCAD\user.cfg}}<hr />''Short path : ''{{FileName|%APPDATA%\FreeCAD\user.cfg}} || {{FileName|/home/username/.config/FreeCAD/user.cfg}}<hr />''Short path : ''{{FileName|~/.config/FreeCAD/user.cfg}} or {{FileName|$HOME/.config/FreeCAD/user.cfg}} |
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|- |
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| SystemParameter || File where FreeCAD stores Application Related data. || {{FileName|C:\Documents and Settings\username\AppData\FreeCAD\system.cfg}}<hr />''Short path : ''{{FileName|%APPDATA%\FreeCAD\system.cfg}} || {{FileName|/home/username/.config/FreeCAD/system.cfg}}<hr />''Short path : ''{{FileName|~/.FreeCAD/system.cfg}} or {{FileName|$HOME/.FreeCAD/system.cfg}} |
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|- |
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| UserHomePath || Home path of the current user || {{FileName|C:\Documents and Settings\username}}<hr />''Short path : ''{{FileName|%USERPROFILE%}} || {{FileName|/home/username}}<hr />''Short path : ''{{FileName|~}} |
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|} |
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Note: For Linux distributions, an additional configuration file that relates to [[Third_Party_Tools#Qt-Toolkit|Qt]] may exist at path {{FileName|/home/username/.config/FreeCAD/FreeCAD.conf}}. |
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=== Command line arguments === |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|- |
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! Config var name !! Synopsis !! Example |
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|- |
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| LoggingFile || 1 if the logging is switched on || 1 |
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|- |
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| LoggingFileName || File name where the log is placed || {{FileName|C:\Documents and Settings\username\AppData\FreeCAD\FreeCAD.log}} |
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|- |
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| RunMode || This indicates how the main loop will work. '''"Script"''' means that the given script is called and then exit. '''"Cmd"''' runs the command line interpreter. '''"Internal"''' runs an internal script. '''"Gui"''' enters the Gui event loop. '''"Module"''' loads a given python module. || "Cmd" |
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|- |
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| FileName || Meaning depends on the RunMode || |
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|- |
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| ScriptFileName || Meaning depends on the RunMode || |
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|- |
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| Verbose || Verbosity level of FreeCAD || "" or "strict" |
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|- |
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| OpenFileCount ||Holds the number of files opened through command line arguments || "12" |
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|- |
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| AdditionalModulePaths||Holds the additional Module paths given in the cmd line || "extraModules/" |
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|} |
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=== System related === |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|- |
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! Config var name !! Synopsis !! Example Windows !! Example Linux |
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|- |
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| AppHomePath || Path where FreeCAD is installed || {{FileName|c:/Progam Files/FreeCAD_0.19}} || {{FileName|/user/local/FreeCAD_0.19}} |
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|- |
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| PythonSearchPath || Holds a list of paths which python search modules. This is at startup can change during execution || || |
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|- |
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| AppTempPath || Path of the temporary directory. Can be given with {{incode|TMPDIR}} environment variable, or with the [[Image:Std_DlgParameter.svg|16px]] [[Std_DlgParameter|Parameter Editor]]: {{MenuCommand|Tools → Edit parameters... → BaseApp → Preferences → General → TempPath}} || || {{FileName|/tmp/}} (default) |
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|} |
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=== Build related information=== |
=== Build related information=== |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|+ User config entries |
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|- |
|- |
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! Config var name !! Synopsis !! Example |
! Config var name !! Synopsis !! Example |
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|- |
|- |
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| BuildVersionMajor || Major Version number of the Build. Defined in src/Build/Version.h.in || 0 |
| BuildVersionMajor || Major Version number of the Build. Defined in {{FileName|src/Build/Version.h.in}} || 0 |
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|- |
|- |
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| BuildVersionMinor || Minor Version number of the Build. Defined in src/Build/Version.h.in || 7 |
| BuildVersionMinor || Minor Version number of the Build. Defined in {{FileName|src/Build/Version.h.in}} || 7 |
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|- |
|- |
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| BuildRevision || SVN Repository Revision number of the src in the Build. Generated by SVN || 356 |
| BuildRevision || SVN Repository Revision number of the src in the Build. Generated by SVN || 356 |
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=== Branding related === |
=== Branding related === |
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These Config entries are related to the branding mechanism of FreeCAD. See [[Branding]] for more details. |
These Config entries are related to the branding mechanism of FreeCAD. See [[Branding|Branding]] for more details. |
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{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
{| border="2" cellpadding="4" cellspacing="0" style="margin-top:1em; margin-bottom:1em; background:#f9f9f9; border:1px #aaa solid; border-collapse:collapse;" |
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|+ User config entries |
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|- |
|- |
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! Config var name !! Synopsis !! Example |
! Config var name !! Synopsis !! Example |
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|- |
|- |
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| ExeName || Name of the build Executable file. Can differ from FreeCAD if a different main.cpp is used. || FreeCAD.exe |
| ExeName || Name of the build Executable file. Can differ from FreeCAD if a different {{FileName|main.cpp}} is used. || {{FileName|FreeCAD.exe}} |
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|- |
|- |
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| ExeVersion || Over all Version shows up at start time || |
| ExeVersion || Over all Version shows up at start time || "0.19" |
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|- |
|- |
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| AppIcon || Icon which is used for the Executable, shows in Application MainWindow. || "FCIcon" |
| AppIcon || Icon which is used for the Executable, shows in Application MainWindow. || "FCIcon" |
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| SplashTextColor || Color of the splasher Text || "#000000" |
| SplashTextColor || Color of the splasher Text || "#000000" |
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|- |
|- |
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| StartWorkbench || Name of the Workbench which get started automatically after Startup || "Part |
| StartWorkbench || Name of the Workbench which get started automatically after Startup || "Part Design" |
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|- |
|- |
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| HiddenDockWindow || List of dockwindows (separated by a semicolon) which will be disabled || "Property editor" |
| HiddenDockWindow || List of dockwindows (separated by a semicolon) which will be disabled || "Property editor" |
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|} |
|} |
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=== Querying the configuration === |
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{{docnav|Third Party Tools|FreeCAD Build Tool}} |
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'''From FreeCAD's Python console''' |
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[[Category:Developer Documentation/cs]] |
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Entries of the configuration set can be queried with the '''config var name''' (see tables above) from the [[Python_console|Python console]]. For example: |
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>>> FreeCAD.ConfigGet("ExeVersion") |
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'0.19' |
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If the name is not found, an empty string is returned. |
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'''From command line''' |
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Use the {{incode|--get-config <config-var-name>}} option to query a single name. Not all names are supported. For example: |
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FreeCAD --get-config ExeVersion |
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Use the {{incode|--dump-config}} option to get a list of names and their values. Not all names are supported. |
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'''From FreeCAD console''' |
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Start FreeCAD in console mode with {{incode|--console}} and query with Python code. For example: |
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$ FreeCAD --console |
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[FreeCAD Console mode <Use Ctrl-D (i.e. EOF) to exit.>] |
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>>> FreeCAD.ConfigGet("ExeVersion") |
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'0.19' |
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>>> exit() |
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For Linux (bash shell) you can modify the following command line to suit your needs: |
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$ FreeCAD --console <<EOF |
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print( "FREECAD_USER_HOME: " + ( "not set" if ( os.environ.get('FREECAD_USER_HOME') is None ) else os.environ.get('FREECAD_USER_HOME') ) ) |
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print( "UserHomePath: " + FreeCAD.ConfigGet("UserHomePath") ) |
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exit() |
|||
EOF |
|||
== Starting FreeCAD from the desktop == |
|||
=== Linux: Creating an additional start option === |
|||
The following assumes that your desktop is configured such that you can launch FreeCAD from it. Depending on your Linux distribution and desktop environment, you may have to adapt the following steps: |
|||
# Copy the freedesktop entry file for FreeCAD from {{FileName|/usr/share/applications/freecad.desktop}} to {{FileName|~/.local/share/applications}}. |
|||
# Change the name from {{FileName|freecad.desktop}} to something else (e.g. {{FileName|MyFreeCADConfig.desktop}}). |
|||
# Open the file with a text editor and change how FreeCAD is invoked by modifying the line starting with {{incode|Exec}}. |
|||
# As a result, an additional entry in your start menu/application launcher is available. This way, you can have multiple FreeCAD entries with various launch options. |
|||
== Starting FreeCAD from a portable USB medium == |
|||
'''Windows''' |
|||
Put the FreeCAD executable, {{FileName|FreeCAD.exe}}, on the USB medium. Create a batch file, {{FileName|FreeCAD.bat}}, and put it into the same directory as {{FileName|FreeCAD.exe}}. Inside the batch file write: |
|||
{{Code|code= |
|||
set CURRENTDIR=%cd% |
|||
set FREECAD_USER_HOME=%CURRENTDIR% |
|||
start FreeCAD.exe -u FreeCAD/user.cfg -s FreeCAD/system.cfg --write-log |
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}} |
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Or with {{incode|FREECAD_USER_DATA}} ([https://forum.freecadweb.org/viewtopic.php?f=12&t=54784&start=60#p474759 see]): |
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{{Code|code= |
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set CURRENTDIR="%cd%" |
|||
set FREECAD_USER_DATA=%CURRENTDIR%/.. |
|||
start FreeCAD.exe -u %FREECAD_USER_DATA%/user.cfg -s %FREECAD_USER_DATA%/system.cfg}} |
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With the batch in the root of the USB medium: |
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{{Code|code= |
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set CURRENTDIR=%cd% |
|||
set FREECAD_USER_DATA=%CURRENTDIR%FreeCAD\ |
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start %cd%FreeCAD\bin\FreeCAD.exe -u %FREECAD_USER_DATA%user.cfg -s %FREECAD_USER_DATA%system.cfg |
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}} |
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Now double-click the batch file to start FreeCAD. ([https://forum.freecadweb.org/viewtopic.php?f=4&t=49028 see]) |
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{{Docnav |
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|[[Import_Export_Preferences|Import Export Preferences]] |
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|[[Scripting_and_macros|Scripting and macros]] |
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}} |
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{{Userdocnavi{{#translation:}}}} |
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{{clear}} |
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[[Category:Developer Documentation{{#translation:}}]] |
Latest revision as of 17:25, 28 January 2024
See Release notes 0.20 for more information. This page has not yet been updated accordingly.
Overview
This page shows the different ways to start FreeCAD and the most important configuration features.
Starting FreeCAD from the Command line
FreeCAD can be started normally by double-clicking on its desktop icon or selecting it from the start menu, but it can also be started directly from the command line. This allows you to change some of the default startup options.
Using command line options without a command line shell
- On Ubuntu you can create a desktop icon and edit its properties. Add the command line options separated by spaces behind the program name in the "Command" field.
- On Windows create a shortcut and edit the properties. Add the command line options separated by spaces to "Target" field.
Command line options
The command line options are subject to frequent changes.Therefore, it is a good idea to check the current options by typing:
FreeCAD --help
From the response you can read the possible parameters:
Usage: FreeCAD [options] File1 File2 ... Allowed options: Generic options: -v [ --version ] Prints version string -h [ --help ] Prints help message -c [ --console ] Starts in console mode --response-file arg Can be specified with '@name', too --dump-config Dumps configuration --get-config arg Prints the value of the requested configuration key Configuration: -l [ --write-log ] Writes a log file to: /home/username/.FreeCAD/FreeCAD.log --log-file arg Unlike --write-log this allows logging to an arbitrary file -u [ --user-cfg ] arg User config file to load/save user settings -s [ --system-cfg ] arg System config file to load/save system settings -t [ --run-test ] arg Test case - or 0 for all -M [ --module-path ] arg Additional module paths -P [ --python-path ] arg Additional python paths --single-instance Allow to run a single instance of the application
In the following table, selected options are described in more detail:
Long option | Corresponding config var name | Synopsis |
---|---|---|
--user-cfg <filename> |
UserParameter | Filename or relative path that ends with a filename. Defaults to user.cfg .
|
--module-path <dir> |
Prepends to AdditionalModulePaths | Directory that contains modules. This option can be given repeatedly to specify multiple directories. |
--get-config <config-var-name> |
most | Outputs the requested value in a popup dialog. Exits upon confirmation with OK. Cannot be used repeatedly. If an unknown/illegal variable name is used, the response is empty. The --console flag is not honored.
|
Options can written in two forms: --long-option arg
and --long-option=arg
.
Response and config files
FreeCAD can read some of these options from a config file. This file must be in the bin path and must be named FreeCAD.cfg. Be aware that options specified in the command line override the config file!
Some operating systems have a very low limit of characters on the command line. The common way to work around those limitations is using response files. A response file is just a configuration file which uses the same syntax as the command line. If the command line specifies a response file, it's loaded and parsed in addition to the command line:
FreeCAD @ResponseFile.txt
or:
FreeCAD --response-file=ResponseFile.txt
or:
FreeCAD --response-file ResponseFile.txt
Hidden options
There are a couple of options not visible to the user. These options are e.g. the X-Window parameters parsed by the Windows system:
- -display - Sets the X display (default is $DISPLAY).
- -geometry - Sets the client geometry of the first window that is shown.
- -fn or -font - Defines the application font. The font should be specified using an X logical font description.
- -bg or -background - Sets the default background color and an application palette (light and dark shades are calculated).
- -fg or -foreground - Sets the default foreground color.
- -btn or -button - Sets the default button color.
- -name - Sets the application name.
- -title - Sets the application title.
- -visual - Forces the application to use a TrueColor visual on an 8-bit display.
- -ncols - Limits the number of colors allocated in the color cube on an 8-bit display, if the application is using the QApplication::ManyColor color specification. If count is 216 then a 6x6x6 color cube is used (i.e. 6 levels of red, 6 of green, and 6 of blue); for other values, a cube approximately proportional to a 2x3x1 cube is used.
- -cmap - Causes the application to install a private color map on an 8-bit display.
Running FreeCAD without GUI (headless)
FreeCAD is usually built with two executables: a GUI-capable one called FreeCAD or freecad, and a headless one, called FreeCADCmd or freecadcmd.
FreeCAD can be used in console mode using the --console
switch (which is the default behavior of FreeCADCmd):
FreeCAD --console
In console mode, no graphical user interface will be displayed, and you will be presented with a Python interpreter prompt: >>>
. From that prompt, you have the same functionality as the Python interpreter that runs inside the FreeCAD GUI, and access to all modules and plugins of FreeCAD, except the FreeCADGui module. Be aware that modules that depend on FreeCADGui might also be unavailable.
To read more about console or headless mode, refer to Headless FreeCAD.
Running modules, macros and scripts
File type | System | Command line example |
---|---|---|
Module | Windows | "C:\Program Files\FreeCAD\bin\FreeCAD.exe" -M "C:\FreeCAD\Mod\Draft"
|
Linux | FreeCAD_0.19 -M ~/.FreeCAD/Mod/Draft
| |
Linux (AppImage) | path/to/FreeCADXXX.AppImage -M ~/.FreeCAD/Mod/Draft
| |
.FCMacro or .py | Windows | "C:\Program Files\FreeCAD\bin\FreeCAD.exe" "C:\Users\userName\AppData\Roaming\FreeCAD\Mod\WorkFeature\start_WF.FCMacro"
|
Linux | FreeCAD_0.19 ~/.FreeCAD/Mod/WorkFeature/start_WF.FCMacro
| |
Linux (AppImage) | path/to/FreeCADXXX.AppImage ~/.FreeCAD/Mod/WorkFeature/start_WF.FCMacro
|
See Macro at Startup on how to set up a macro to automatically run at FreeCAD startup.
Environment variables
FreeCAD supports the following environment variables, which can be used to configure directories: introduced in version 0.19
Environment variable | Corresponding config var name | Synopsis |
---|---|---|
FREECAD_USER_HOME |
UserHomePath | FreeCAD's "base" directory for keeping local user data. |
FREECAD_USER_DATA |
UserAppData | If not set, defaults to FREECAD_USER_HOME/.FreeCAD , but only if FREECAD_USER_HOME is set.
|
FREECAD_USER_TEMP |
AppTempPath | If not set, defaults to FREECAD_USER_HOME/temp , but only if FREECAD_USER_HOME is set.
|
If the specified path does not exist, the setting is ignored!
The above environment variables are meant to be used to realize a portable FreeCAD environment. For an example how environment variables can be used from the command line on Linux refer to the notes for Linux users on the downloads page.
HOME
FreeCAD uses Qt, which does honor the HOME
environmental variable. Thus, setting HOME
can be used to specify the base directory of Qt-related configuration files (.config/FreeCAD/FreeCAD.conf
).
FreeCad itself does not honor the HOME
environmental variable (because it determines the user's home directory from a lower-level system API). Use FREECAD_USER_HOME
for this pupose.
TMPDIR
The default temporary directory is /tmp/. The TMPDIR
environmental variable can be used to override the default. (Editor: precedence?).
Libraries
Some libraries need to call system environment variables. Sometimes when there is a problem with a FreeCAD installation, it is because some environment variable is absent or incorrect. Therefore, some important variables get duplicated in the Config and saved in the log file.
Python
- PYTHONPATH
- PYTHONHOME
- TCL_LIBRARY
- TCLLIBPATH
OpenCascade
- CSF_MDTVFontDirectory
- CSF_MDTVTexturesDirectory
- CSF_UnitsDefinition
- CSF_UnitsLexicon
- CSF_StandardDefaults
- CSF_PluginDefaults
- CSF_LANGUAGE
- CSF_SHMessage
- CSF_XCAFDefaults
- CSF_GraphicShr
- CSF_IGESDefaults
- CSF_STEPDefaults
Configuration set
On every startup FreeCAD examines its surrounding and the command line parameters. It builds up a configuration set which holds the essence of the runtime information. This information is later used to determine the place where to save user data or log files. It is also very important for postmortem analyzes. Therefore it is saved in the log file.
Config var name | Synopsis | Example Windows | Example Linux |
---|---|---|---|
UserAppData | Path where FreeCAD stores User Related application data. | C:\Documents and Settings\username\AppData\FreeCAD Short path : %APPDATA%\FreeCAD |
/home/username/.FreeCAD Short path : ~/.FreeCAD |
UserParameter | File where FreeCAD stores User Related application data. | C:\Documents and Settings\username\AppData\FreeCAD\user.cfg Short path : %APPDATA%\FreeCAD\user.cfg |
/home/username/.config/FreeCAD/user.cfg Short path : ~/.config/FreeCAD/user.cfg or $HOME/.config/FreeCAD/user.cfg |
SystemParameter | File where FreeCAD stores Application Related data. | C:\Documents and Settings\username\AppData\FreeCAD\system.cfg Short path : %APPDATA%\FreeCAD\system.cfg |
/home/username/.config/FreeCAD/system.cfg Short path : ~/.FreeCAD/system.cfg or $HOME/.FreeCAD/system.cfg |
UserHomePath | Home path of the current user | C:\Documents and Settings\username Short path : %USERPROFILE% |
/home/username Short path : ~ |
Note: For Linux distributions, an additional configuration file that relates to Qt may exist at path /home/username/.config/FreeCAD/FreeCAD.conf.
Command line arguments
Config var name | Synopsis | Example |
---|---|---|
LoggingFile | 1 if the logging is switched on | 1 |
LoggingFileName | File name where the log is placed | C:\Documents and Settings\username\AppData\FreeCAD\FreeCAD.log |
RunMode | This indicates how the main loop will work. "Script" means that the given script is called and then exit. "Cmd" runs the command line interpreter. "Internal" runs an internal script. "Gui" enters the Gui event loop. "Module" loads a given python module. | "Cmd" |
FileName | Meaning depends on the RunMode | |
ScriptFileName | Meaning depends on the RunMode | |
Verbose | Verbosity level of FreeCAD | "" or "strict" |
OpenFileCount | Holds the number of files opened through command line arguments | "12" |
AdditionalModulePaths | Holds the additional Module paths given in the cmd line | "extraModules/" |
Config var name | Synopsis | Example Windows | Example Linux |
---|---|---|---|
AppHomePath | Path where FreeCAD is installed | c:/Progam Files/FreeCAD_0.19 | /user/local/FreeCAD_0.19 |
PythonSearchPath | Holds a list of paths which python search modules. This is at startup can change during execution | ||
AppTempPath | Path of the temporary directory. Can be given with TMPDIR environment variable, or with the |
/tmp/ (default) |
The table below shows the available information about the Build version. Most of it comes from the Subversion repository. This stuff is needed to exactly rebuild a version!
Config var name | Synopsis | Example |
---|---|---|
BuildVersionMajor | Major Version number of the Build. Defined in src/Build/Version.h.in | 0 |
BuildVersionMinor | Minor Version number of the Build. Defined in src/Build/Version.h.in | 7 |
BuildRevision | SVN Repository Revision number of the src in the Build. Generated by SVN | 356 |
BuildRevisionRange | Range of different changes | 123-356 |
BuildRepositoryURL | Repository URL | https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk/src |
BuildRevisionDate | Date of the above Revision | 2007/02/03 22:21:18 |
BuildScrClean | Indicates if the source was changed after checkout | Src modified |
BuildScrMixed | Src not mixed |
These Config entries are related to the branding mechanism of FreeCAD. See Branding for more details.
Config var name | Synopsis | Example |
---|---|---|
ExeName | Name of the build Executable file. Can differ from FreeCAD if a different main.cpp is used. | FreeCAD.exe |
ExeVersion | Over all Version shows up at start time | "0.19" |
AppIcon | Icon which is used for the Executable, shows in Application MainWindow. | "FCIcon" |
ConsoleBanner | Banner which is prompted in console mode | |
SplashPicture | Name of the Icon used for the Splash Screen | "FreeCADSplasher" |
SplashAlignment | Alignment of the Text in the Splash dialog | "Bottom" or "Left" |
SplashTextColor | Color of the splasher Text | "#000000" |
StartWorkbench | Name of the Workbench which get started automatically after Startup | "Part Design" |
HiddenDockWindow | List of dockwindows (separated by a semicolon) which will be disabled | "Property editor" |
Querying the configuration
From FreeCAD's Python console
Entries of the configuration set can be queried with the config var name (see tables above) from the Python console. For example:
>>> FreeCAD.ConfigGet("ExeVersion") '0.19'
If the name is not found, an empty string is returned.
From command line
Use the --get-config <config-var-name>
option to query a single name. Not all names are supported. For example:
FreeCAD --get-config ExeVersion
Use the --dump-config
option to get a list of names and their values. Not all names are supported.
From FreeCAD console
Start FreeCAD in console mode with --console
and query with Python code. For example:
$ FreeCAD --console [FreeCAD Console mode <Use Ctrl-D (i.e. EOF) to exit.>] >>> FreeCAD.ConfigGet("ExeVersion") '0.19' >>> exit()
For Linux (bash shell) you can modify the following command line to suit your needs:
$ FreeCAD --console <<EOF print( "FREECAD_USER_HOME: " + ( "not set" if ( os.environ.get('FREECAD_USER_HOME') is None ) else os.environ.get('FREECAD_USER_HOME') ) ) print( "UserHomePath: " + FreeCAD.ConfigGet("UserHomePath") ) exit() EOF
Starting FreeCAD from the desktop
Linux: Creating an additional start option
The following assumes that your desktop is configured such that you can launch FreeCAD from it. Depending on your Linux distribution and desktop environment, you may have to adapt the following steps:
- Copy the freedesktop entry file for FreeCAD from /usr/share/applications/freecad.desktop to ~/.local/share/applications.
- Change the name from freecad.desktop to something else (e.g. MyFreeCADConfig.desktop).
- Open the file with a text editor and change how FreeCAD is invoked by modifying the line starting with
Exec
. - As a result, an additional entry in your start menu/application launcher is available. This way, you can have multiple FreeCAD entries with various launch options.
Starting FreeCAD from a portable USB medium
Windows
Put the FreeCAD executable, FreeCAD.exe, on the USB medium. Create a batch file, FreeCAD.bat, and put it into the same directory as FreeCAD.exe. Inside the batch file write:
set CURRENTDIR=%cd%
set FREECAD_USER_HOME=%CURRENTDIR%
start FreeCAD.exe -u FreeCAD/user.cfg -s FreeCAD/system.cfg --write-log
Or with FREECAD_USER_DATA
(see):
set CURRENTDIR="%cd%"
set FREECAD_USER_DATA=%CURRENTDIR%/..
start FreeCAD.exe -u %FREECAD_USER_DATA%/user.cfg -s %FREECAD_USER_DATA%/system.cfg
With the batch in the root of the USB medium:
set CURRENTDIR=%cd%
set FREECAD_USER_DATA=%CURRENTDIR%FreeCAD\
start %cd%FreeCAD\bin\FreeCAD.exe -u %FREECAD_USER_DATA%user.cfg -s %FREECAD_USER_DATA%system.cfg
Now double-click the batch file to start FreeCAD. (see)
![](/images/thumb/9/94/User_hub.png/24px-User_hub.png)
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Assembly, BIM, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub